3concrete

: a hard, strong material that is used for building and made by mixing cement, sand, and broken rocks with water

Full Definition of CONCRETE

1

: a mass formed by concretion or coalescence of separate particles of matter in one body

2

: a hard strong building material made by mixing a cementing material (as portland cement) and a mineral aggregate (as sand and gravel) with sufficient water to cause the cement to set and bind the entire mass

3

: a waxy essence of flowers prepared by extraction and evaporation and used in perfumery